[dconf] Fix signature mismatch with GLib.TraverseFunc

[Stefan Walter <stefw src gnome org>]

commit 281984c482327a1df1217bb1c8c36dcb1055d620
Author: Stef Walter <stefw gnome org>
Date:   Thu Apr 12 11:02:28 2012 +0200

    Fix signature mismatch with GLib.TraverseFunc
    
     * Using vala 0.18
    
    https://bugzilla.gnome.org/show_bug.cgi?id=673973

 bin/dconf-dump.vala |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/bin/dconf-dump.vala b/bin/dconf-dump.vala
index 4fb8c02..e340a6c 100644
--- a/bin/dconf-dump.vala
+++ b/bin/dconf-dump.vala
@@ -60,14 +60,14 @@ class DConfLoadState {
 		i = 0;
 	}
 
-	public int add (void *key, void *value) {
+	public bool add (void *key, void *value) {
 		assert (i < n_keys);
 
 		keys[i] = (string) key;
 		vals[i] = (Variant) value;
 		i++;
 
-		return (int) false;
+		return false;
 	}
 }